RA Capital Healthcare Fund LP (CIK 0001315082)

Latest company ownership

VSTM - Verastem, Inc.
Role: 10% Owner
Shares held
16,142,051
Last filed at
Jun 29, 2020
Confidence Score
50.0
2025Q4
Confidence Score History
2020Q2 2025Q4
Shares held
13,381,054
Last filed at
Mar 16, 2022
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q3 2025Q4
Shares held
10,229,099
Last filed at
Sep 23, 2024
Confidence Score
23.8
2025Q4
Confidence Score History
2022Q4 2025Q4
KALA - KALA BIO, Inc.
Role: 10% Owner
Shares held
7,039,613
Last filed at
May 26, 2022
Confidence Score
50.0
2025Q4
Confidence Score History
2017Q3 2025Q4
CRIS - CURIS INC
Role: 10% Owner
Shares held
6,250,564
Last filed at
Apr 17, 2008
Confidence Score
50.0
2025Q4
Confidence Score History
2008Q2 2025Q4
PCVX - Vaxcyte, Inc.
Role: 10% Owner
Shares held
5,001,593
Last filed at
Oct 9, 2020
Confidence Score
50.0
2025Q4
Confidence Score History
2020Q3 2025Q4
Shares held
4,360,860
Last filed at
Dec 4, 2020
Confidence Score
50.0
2025Q4
Confidence Score History
2020Q2 2025Q4
Shares held
3,365,523
Last filed at
Jun 30, 2025
Confidence Score
52.3
2025Q4
Confidence Score History
2025Q2 2025Q4
Shares held
3,115,008
Last filed at
Mar 15, 2021
Confidence Score
50.0
2025Q4
Confidence Score History
2020Q1 2025Q4
Shares held
2,727,446
Last filed at
Mar 16, 2021
Confidence Score
50.0
2025Q4
Confidence Score History
2019Q2 2025Q4
CLYM - Climb Bio, Inc.
Role: Director
Shares held
2,551,263
Last filed at
Jul 1, 2024
Confidence Score
27.5
2025Q4
Confidence Score History
2021Q3 2025Q4
Shares held
2,122,465
Last filed at
Feb 27, 2023
Confidence Score
50.0
2025Q4
Confidence Score History
2020Q1 2025Q4
Shares held
2,102,169
Last filed at
Sep 19, 2016
Confidence Score
50.0
2025Q4
Confidence Score History
2015Q4 2025Q4
Shares held
1,829,426
Last filed at
Feb 18, 2015
Confidence Score
50.0
2025Q4
Confidence Score History
2013Q3 2025Q4
PEPG - PepGen Inc.
Role: Director
Shares held
1,510,272
Last filed at
Sep 30, 2025
Confidence Score
59.4
2025Q4
Confidence Score History
2022Q2 2025Q4
Shares held
1,298,414
Last filed at
Jun 20, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q3 2025Q4
Shares held
1,172,334
Last filed at
Sep 18, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2024Q3 2025Q4
SEPN - Septerna, Inc.
Role: Director
Shares held
1,130,343
Last filed at
Oct 30, 2024
Confidence Score
50.1
2025Q4
Confidence Score History
2024Q4 2025Q4
Shares held
902,904
Last filed at
Nov 10, 2022
Confidence Score
50.0
2025Q4
Confidence Score History
2023Q3 2025Q4
VOR - Vor Biopharma Inc.
Role: Director
Shares held
779,652
Last filed at
Oct 30, 2025
Confidence Score
12.5
2025Q4
Confidence Score History
2021Q1 2025Q4
Shares held
556,026
Last filed at
Jun 16, 2021
Confidence Score
50.7
2025Q4
Confidence Score History
2021Q2 2025Q4
Shares held
473,394
Last filed at
Sep 17, 2021
Confidence Score
52.5
2025Q4
Confidence Score History
2021Q3 2025Q4
Shares held
311,926
Last filed at
Jul 7, 2023
Confidence Score
50.0
2025Q4
Confidence Score History
2023Q3 2025Q4
Shares held
300,853
Last filed at
Aug 13, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2022Q1 2025Q4
ARVN - ARVINAS, INC.
Role: Other
Shares held
291,410
Last filed at
Oct 3, 2018
Confidence Score
50.0
2025Q4
Confidence Score History
2018Q4 2025Q4
Shares held
192,847
Last filed at
Feb 16, 2023
Confidence Score
60.0
2025Q4
Confidence Score History
2023Q1 2025Q4
Shares held
159,033
Last filed at
Nov 24, 2025
Confidence Score
13.1
2025Q4
Confidence Score History
2025Q1 2025Q4
BOLD - Boundless Bio, Inc.
Role: 10% Owner
Shares held
126,373
Last filed at
Apr 4, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2024Q2 2025Q4
Shares held
109,661
Last filed at
Jan 12, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q1 2025Q4
ETNB - 89bio, Inc.
Role: Director
Shares held
56,400
Last filed at
Nov 3, 2025
Confidence Score
50.6
2025Q4
Confidence Score History
2019Q4 2025Q4
Shares held
53,673
Last filed at
Jul 24, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2024Q3 2025Q4
Shares held
28,815
Last filed at
Nov 14, 2025
Confidence Score
48.1
2025Q4
Confidence Score History
2015Q4 2025Q4
Shares held
27,000
Last filed at
Mar 25, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2024Q1 2025Q4
Shares held
25,000
Last filed at
Jun 10, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q3 2025Q4
NKTX - Nkarta, Inc.
Role: Director
Shares held
22,500
Last filed at
Jun 14, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q2 2025Q4
Shares held
20,275
Last filed at
Jun 24, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2022Q4 2025Q4
Shares held
17,500
Last filed at
May 24, 2024
Confidence Score
52.0
2025Q4
Confidence Score History
2021Q2 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Dec 11, 2025 Dec 15, 2025 Climb Bio, Inc. Director Buy 20.0 -20,125,439 -85.56% ✗ $754.7K
Dec 8, 2025 Dec 10, 2025 Fulcrum Therapeutics, Inc. 10% Owner Sell 15.0 -4,175,139 -40.82% ✗ $58.4M
Nov 20, 2025 Nov 24, 2025 Sionna Therapeutics, Inc. Director Sell 42.5 -30,316 -0.10% ✗ $1.2M
Nov 17, 2025 Nov 19, 2025 Sionna Therapeutics, Inc. Director Sell 33.8 -136,351 -0.23% ✗ $5.5M
Nov 13, 2025 Nov 14, 2025 Wave Life Sciences Ltd. Director Buy 47.5 +1,000 0.01% ✗ $6.7K
Oct 28, 2025 Oct 30, 2025 Vor Biopharma Inc. Director Sell 15.0 -400,408 -33.93% ✗ $10.4M
Oct 24, 2025 Oct 28, 2025 Sionna Therapeutics, Inc. Director Sell 15.0 -373,610 -1.82% ✗ $14.8M
Oct 23, 2025 Oct 27, 2025 Vor Biopharma Inc. Director Sell 16.3 -221,166 -15.78% ✗ $6.2M
Oct 20, 2025 Oct 22, 2025 Vor Biopharma Inc. Director Sell 17.5 -117,050 -2.67% ✗ $3.4M
Oct 15, 2025 Oct 17, 2025 Vor Biopharma Inc. Director Sell 15.0 -464,025 -3.24% ✗ $13.7M
Sep 26, 2025 Sep 30, 2025 PepGen Inc. Director Buy 100.0 +9,375,000 102.13% ✗ $30M
Sep 4, 2025 Sep 8, 2025 Mineralys Therapeutics, Inc. Director Buy 100.0 +1,176,470 27.49% ✗ $30M
Jun 26, 2025 Jun 30, 2025 Cidara Therapeutics, Inc. Director Buy 100.0 +2,272,727 207.97% ✗ $100M
Jun 12, 2025 Jun 16, 2025 Tyra Biosciences, Inc. Director Buy 87.5 +163,287 1.62% ✗ $1.7M
Jun 9, 2025 Jun 11, 2025 Tyra Biosciences, Inc. Director Buy 87.5 +186,850 1.89% ✗ $1.9M
Jun 4, 2025 Jun 6, 2025 Tyra Biosciences, Inc. Director Buy 100.0 +1,211,198 13.93% ✗ $11.8M
May 12, 2025 May 14, 2025 Werewolf Therapeutics, Inc. Director Buy 92.5 +536,426 9.41% ✗ $487.2K
Mar 13, 2025 Mar 17, 2025 Mineralys Therapeutics, Inc. Director Buy 100.0 +1,296,296 43.45% ✗ $17.5M
Mar 5, 2025 Mar 7, 2025 Janux Therapeutics, Inc. Director Buy 97.5 +824,041 8.84% ✗ $25.3M
Feb 10, 2025 Feb 10, 2025 Sionna Therapeutics, Inc. Director Buy 100.0 +1,125,000 13.85% ✗ $20.3M
Jan 30, 2025 Feb 3, 2025 89bio, Inc. Director Buy 100.0 +5,714,285 41.29% ✗ $50M
Nov 8, 2024 Nov 13, 2024 Tyra Biosciences, Inc. Director Buy 100.0 +1,220,681 16.33% ✗ $19.8M
Oct 28, 2024 Oct 30, 2024 Septerna, Inc. Director Buy 100.0 +4,170,000 147.57% ✗ $75.1M
Oct 18, 2024 Oct 22, 2024 Janux Therapeutics, Inc. Director Buy 100.0 +1,200,000 14.78% ✗ $53.7M
Sep 16, 2024 Sep 18, 2024 Bicara Therapeutics Inc. Director Buy 100.0 +1,833,000 35.78% ✗ $33M
Aug 9, 2024 Aug 13, 2024 AN2 Therapeutics, Inc. 10% Owner Sell 17.5 -3,525,094 -63.50% ✗ $3.8M
Jul 22, 2024 Jul 24, 2024 Artiva Biotherapeutics, Inc. Director Buy 100.0 +8,795,020 459.88% ✗ $104.7M
Jun 27, 2024 Jul 1, 2024 Climb Bio, Inc. Director Buy 100.0 +18,268,418 76.18% ✗ $50M
Jun 17, 2024 Jun 20, 2024 Jade Biosciences, Inc. Director Buy 100.0 +928,110 13.32% ✗ $1.5M
Apr 2, 2024 Apr 4, 2024 Boundless Bio, Inc. 10% Owner Buy 100.0 +312,500 16.73% ✗ $5M
Mar 27, 2024 Mar 29, 2024 Nkarta, Inc. Director Buy 100.0 +3,000,000 42.55% ✗ $30M
Mar 25, 2024 Mar 27, 2024 ARS Pharmaceuticals, Inc. Director Buy 100.0 +1,401,299 16.38% ✗ $13.3M
Mar 21, 2024 Mar 25, 2024 LENZ Therapeutics, Inc. Director Buy 100.0 +4,243,794 140.71% ✗ $15M
Mar 4, 2024 Mar 6, 2024 89bio, Inc. Director Buy 100.0 +1,350,000 12.18% ✗ $20.7M
Feb 9, 2024 Feb 13, 2024 PepGen Inc. Director Buy 100.0 +2,557,593 38.62% ✗ $27.2M
Dec 11, 2023 Jan 17, 2024 Wave Life Sciences Ltd. Director Buy 96.3 +1,000,000 5.81% ✗ $5M
Jan 11, 2024 Jan 12, 2024 Solid Biosciences Inc. Director Buy 100.0 +904,160 27.50% ✗ $5M
Dec 11, 2023 Dec 13, 2023 Wave Life Sciences Ltd. Director Buy 96.3 +1,000,000 5.49% ✗ $5M
Sep 21, 2023 Sep 25, 2023 ARS Pharmaceuticals, Inc. Director Buy 100.0 +2,700,000 46.10% ✗ $8.2M
Aug 29, 2023 Aug 31, 2023 ARS Pharmaceuticals, Inc. Director Buy 100.0 +3,750,000 178.00% ✗ $23.3M
Aug 18, 2023 Aug 22, 2023 AN2 Therapeutics, Inc. 10% Owner Buy 100.0 +1,777,778 52.94% ✗ $16M
Jul 21, 2023 Jul 25, 2023 Acumen Pharmaceuticals, Inc. Director Buy 100.0 +5,161,290 65.48% ✗ $40M
Jul 19, 2023 Jul 21, 2023 Janux Therapeutics, Inc. Director Buy 96.3 +495,008 6.49% ✗ $6.2M
Jul 5, 2023 Jul 7, 2023 Black Diamond Therapeutics, Inc. Director Buy 100.0 +935,850 41.08% ✗ $4.7M
Mar 24, 2023 Mar 30, 2023 89bio, Inc. Director Buy 100.0 +2,461,538 28.56% ✗ $40M
Feb 14, 2023 Feb 16, 2023 Mineralys Therapeutics, Inc. Director Buy 100.0 +1,250,000 64.82% ✗ $20M
Jan 20, 2023 Jan 24, 2023 Fulcrum Therapeutics, Inc. 10% Owner Buy 100.0 +1,923,076 19.85% ✗ $25M
Jan 6, 2023 Jan 10, 2023 Werewolf Therapeutics, Inc. Director Buy 100.0 +1,853,000 48.15% ✗ $4.1M
Jan 4, 2023 Jan 6, 2023 Fulcrum Therapeutics, Inc. 10% Owner Buy 87.5 +180,703 1.90% ✗ $1.3M
Jan 3, 2023 Jan 5, 2023 Enliven Therapeutics, Inc. 10% Owner Buy 100.0 +629,297 19.36% ✗ $2.5M
Dec 27, 2022 Dec 29, 2022 Fulcrum Therapeutics, Inc. 10% Owner Buy 48.8 +4,089 0.04% ✗ $24.5K
Dec 19, 2022 Dec 21, 2022 Fulcrum Therapeutics, Inc. 10% Owner Buy 85.0 +98,787 1.05% ✗ $582.8K
Dec 14, 2022 Dec 16, 2022 Fulcrum Therapeutics, Inc. 10% Owner Buy 100.0 +2,403,049 34.33% ✗ $13.1M
Dec 8, 2022 Dec 12, 2022 Enliven Therapeutics, Inc. 10% Owner Buy 72.5 +29,899 0.93% ✗ $115.6K
Nov 17, 2022 Nov 21, 2022 Acrivon Therapeutics, Inc. Director Buy 100.0 +3,389,500 340.75% ✗ $42.4M
Oct 20, 2022 Oct 24, 2022 Enliven Therapeutics, Inc. 10% Owner Buy 90.0 +85,902 2.74% ✗ $336.8K
Oct 18, 2022 Oct 20, 2022 89bio, Inc. Director Buy 100.0 +1,172,741 15.07% ✗ $9M
Oct 17, 2022 Oct 19, 2022 Enliven Therapeutics, Inc. 10% Owner Buy 100.0 +506,197 19.26% ✗ $1.9M
Aug 3, 2022 Aug 5, 2022 AN2 Therapeutics, Inc. 10% Owner Buy 48.8 +1,909 0.03% ✗ $14.3K
Jul 26, 2022 Jul 28, 2022 AN2 Therapeutics, Inc. 10% Owner Buy 72.5 +23,219 0.62% ✗ $180.7K
Jul 1, 2022 Jul 6, 2022 89bio, Inc. Director Buy 100.0 +2,816,900 56.73% ✗ $10M
Jun 21, 2022 Jun 23, 2022 AN2 Therapeutics, Inc. 10% Owner Buy 47.5 +302 0.01% ✗ $2.4K
Jun 16, 2022 Jun 21, 2022 Wave Life Sciences Ltd. Director Buy 100.0 +9,480,052 122.77% ✗ $20.4M
Jun 13, 2022 Jun 15, 2022 AN2 Therapeutics, Inc. 10% Owner Buy 85.0 +81,424 2.22% ✗ $647.4K
May 26, 2022 May 26, 2022 KALA BIO, Inc. 10% Owner Sell 20.0 -1,005,686 -12.50% ✗ $365.7K
May 23, 2022 May 25, 2022 KALA BIO, Inc. 10% Owner Sell 17.5 -2,829,314 -26.02% ✗ $1.5M
May 10, 2022 May 12, 2022 PepGen Inc. Director Buy 100.0 +3,229,200 68.78% ✗ $38.8M
Apr 26, 2022 Apr 28, 2022 Nkarta, Inc. Director Buy 100.0 +2,200,000 39.25% ✗ $33M
Mar 29, 2022 Mar 31, 2022 AN2 Therapeutics, Inc. 10% Owner Buy 100.0 +1,666,666 83.33% ✗ $25M
Mar 14, 2022 Mar 16, 2022 Cytek Biosciences, Inc. Director Buy 93.8 +583,870 4.56% ✓ $7.2M
Mar 9, 2022 Mar 11, 2022 Cytek Biosciences, Inc. Director Buy 96.3 +634,638 5.22% ✓ $8.2M
Mar 4, 2022 Mar 8, 2022 Cytek Biosciences, Inc. Director Buy 96.3 +647,264 5.62% ✓ $8.2M
Feb 28, 2022 Mar 2, 2022 Cytek Biosciences, Inc. Director Buy 93.8 +441,865 3.99% ✓ $5.7M
Feb 23, 2022 Feb 25, 2022 Cytek Biosciences, Inc. Director Buy 93.8 +420,380 3.95% ✓ $5.6M
Feb 17, 2022 Feb 22, 2022 Cytek Biosciences, Inc. Director Buy 96.3 +547,380 5.42% ✓ $7.7M
Feb 14, 2022 Feb 16, 2022 Cytek Biosciences, Inc. Director Buy 96.3 +498,629 5.19% ✓ $7.4M
Sep 17, 2021 Sep 17, 2021 Tyra Biosciences, Inc. Director Buy 100.0 +1,250,000 30.89% ✗ $20M
Aug 12, 2021 Aug 16, 2021 Climb Bio, Inc. Director Buy 100.0 +3,200,000 40.59% ✗ $40M
Jul 27, 2021 Jul 29, 2021 Cytek Biosciences, Inc. Director Buy 100.0 +2,950,000 47.97% ✗ $50.2M
Jul 6, 2021 Jul 8, 2021 Acumen Pharmaceuticals, Inc. Director Buy 100.0 +1,875,000 25.66% ✗ $30M
Jul 2, 2021 Jul 6, 2021 Jade Biosciences, Inc. Director Buy 100.0 +2,785,714 66.65% ✗ $39M
Jun 15, 2021 Jun 16, 2021 Janux Therapeutics, Inc. Director Buy 100.0 +2,941,176 51.33% ✗ $50M
Jun 14, 2021 Jun 16, 2021 Werewolf Therapeutics, Inc. Director Buy 95.0 +323,298 8.15% ✗ $4.1M
Jun 2, 2021 Jun 4, 2021 89bio, Inc. Director Buy 67.5 +22,138 0.45% ✗ $415.5K
May 26, 2021 May 28, 2021 89bio, Inc. Director Buy 92.5 +207,417 4.38% ✗ $3.9M
May 4, 2021 May 6, 2021 Werewolf Therapeutics, Inc. Director Buy 100.0 +1,715,000 76.10% ✗ $27.4M
Apr 1, 2021 Apr 5, 2021 Vor Biopharma Inc. 10% Owner Buy 100.0 +998,382 12.03% ✗ $43M
Apr 1, 2021 Apr 5, 2021 Wave Life Sciences Ltd. 10% Owner Buy 100.0 +970,025 14.25% ✗ $5.4M
Apr 1, 2021 Apr 5, 2021 Solid Biosciences Inc. Director Buy 100.0 +1,451,306 13.29% ✗ $8M
Apr 1, 2021 Apr 5, 2021 Nkarta, Inc. 10% Owner Buy 100.0 +568,033 13.26% ✗ $18.7M
Apr 1, 2021 Apr 5, 2021 KALA BIO, Inc. 10% Owner Buy 100.0 +1,687,709 18.37% ✗ $11.4M
Apr 1, 2021 Apr 5, 2021 89bio, Inc. 10% Owner Buy 100.0 +628,277 16.65% ✗ $14.9M
Mar 19, 2021 Mar 23, 2021 Solid Biosciences Inc. Director Buy 100.0 +2,206,685 25.34% ✗ $12.7M
Mar 12, 2021 Mar 16, 2021 scPharmaceuticals Inc. 10% Owner Sell 17.5 -150,057 -5.21% ✗ $1.1M
Mar 11, 2021 Mar 15, 2021 Phathom Pharmaceuticals, Inc. 10% Owner Sell 15.0 -710,000 -18.56% ✗ $31.1M
Feb 9, 2021 Feb 9, 2021 Vor Biopharma Inc. Director Buy 100.0 +2,979,566 41.71% ✗ $53.6M
Dec 2, 2020 Dec 4, 2020 RHYTHM PHARMACEUTICALS, INC. Other Sell 16.3 -238,543 -5.19% ✗ $7M
Oct 7, 2020 Oct 9, 2020 Vaxcyte, Inc. 10% Owner Sell 15.0 -266,258 -5.05% ✗ $13.5M
Sep 29, 2020 Oct 1, 2020 Vaxcyte, Inc. 10% Owner Sell 15.0 -221,330 -2.03% ✗ $11.2M
Sep 17, 2020 Sep 21, 2020 89bio, Inc. Director Buy 100.0 +1,300,000 37.83% ✗ $36.4M